Oregon RS109 Scientific Fitness review
Altimeter with real-time reading up to 9,000m with user set alarms
Barometer with history chart
Sea level calibration
Weather forecasting via easy-to-ready weather icons
Thermometer with temperature measurement from -10ºC to +60ºC
Heart rate monitor by wireless chest belt (splash proof)
Average, min/max heart rate records
Automatic or manual programmable hi/lo heart rate limits
Stopwatch
Countdown timer with range 99:59:59
99 lap memory
Time with calendar and alarm
Hi-Glo™ backlight
Key lock function
Water resistant up to 50 meters